Four chambered heart keeps oxygenated and deoxygenated blood separate and has double circulation while three chambered heart has a single circulation. Two chambered heart only has single atrium and single ventricle
Answer:
The answer I think is B it would be same zygotes WW (widows peak)
Explanation:
Answer:
12. which is used to measure ocean depth the answers is C
Explanation:
just because
False let me know if you would like me to explain.
Answer:
The male reproduction system.